Value |
Category |
11 |
|
12 |
|
18 |
|
19 |
|
21 |
Full credit |
22 |
|
28 |
|
29 |
|
71 |
|
81 |
|
82 |
|
88 |
Invalid |
89 |
|
91 |
|
92 |
|
98 |
|
99 |
Missing |
77 |
N/A |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.